Arthashastra
ह्रस्व प्रवासिनां शूद्र वैश्य क्षत्रिय ब्राह्मणानां भार्याः संवत्सर उत्तरं कालम् आकाङ्क्षेरन् अप्रजाताः, संवत्सर अधिकं प्रजाताः ॥
(Re-marriage of women.) Wives who belong to Súdra, Vaisya, Kshatriya or Bráhman caste, and who have not given birth to children should wait as long as a year for their husbands who have gone abroad for a short time; but if they are such as have given birth to children, they should wait for their absent husbands for more than a year.
english translation
hrasva pravAsinAM zUdra vaizya kSatriya brAhmaNAnAM bhAryAH saMvatsara uttaraM kAlam AkAGkSeran aprajAtAH, saMvatsara adhikaM prajAtAH ॥
hk transliteration by Sanscript